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All results from a given calculation for BeMg (Beryllium Magnesium)

using model chemistry: PBE1PBE/STO-3G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at PBE1PBE/STO-3G
 hartrees
Energy at 0K-211.836485
Energy at 298.15K-211.835514
HF Energy-211.836485
Nuclear repulsion energy10.387169
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBE1PBE/STO-3G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 486 429 2.38      

Unscaled Zero Point Vibrational Energy (zpe) 242.9 cm-1
Scaled (by 0.8821) Zero Point Vibrational Energy (zpe) 214.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBE1PBE/STO-3G
B
0.43034

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/STO-3G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Be1 0.000 0.000 -1.834
Mg2 0.000 0.000 0.611

Atom - Atom Distances (Å)
  Be1 Mg2
Be12.4454
Mg22.4454

picture of Beryllium Magnesium state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/STO-3G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Be -0.468      
2 Mg 0.468      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 5.715 5.715
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -12.152 0.000 0.000
y 0.000 -12.152 0.000
z 0.000 0.000 -21.703
Traceless
 xyz
x 4.775 0.000 0.000
y 0.000 4.775 0.000
z 0.000 0.000 -9.551
Polar
3z2-r2-19.101
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.835 0.000 0.000
y 0.000 3.835 0.000
z 0.000 0.000 10.588


<r2> (average value of r2) Å2
<r2> 27.518
(<r2>)1/2 5.246